A failing sewer line doesn’t have to mean a torn-up yard. MT Dunn Plumbing offers trenchless sewer line replacement to Hillsboro homeowners who need a damaged or collapsed sewer line replaced without excavating their entire property. Using pipe bursting and cured-in-place pipe (CIPP) lining technology, our technicians install a durable new pipe through the existing line’s path, sidestepping the landscaping, driveways, and hardscaping that traditional dig-and-replace methods destroy. The result is a long-lasting sewer system installed with minimal mess, minimal downtime, and minimal disruption to your daily life.
Our highly experienced plumbing professionals will contact you for a free estimate and consultation.
MT Dunn Plumbing is known for providing reliable plumbing services throughout Hillsboro. Customers value the team’s professionalism and attention to detail. Whether it’s a leaking pipe, a water heater repair, or a larger plumbing project, every job is completed with care and quality.
Not every plumbing crew is equipped to handle trenchless technology correctly, and the difference shows up in the results.
Specialized Equipment
Pipe bursting rigs and CIPP curing systems that most general plumbers simply don't carry.
Licensed Trenchless Technicians
Crew members trained specifically in trenchless methods, not general excavation.
Minimal Yard Disruption
Small access pits replace full-length trenches, protecting lawns, gardens, and driveways.
Durable Materials
High-density polyethylene (HDPE) and epoxy-resin liners built to outlast original clay or cast iron pipe.
Upfront Written Estimates
Fixed pricing before work begins, with no surprise charges once the job starts.
Permit Handling Included
MT Dunn Plumbing manages city permitting and inspection scheduling on your behalf.
Warrantied Workmanship
Replacement lines backed by a workmanship warranty for long-term peace of mind.
Same-Week Scheduling
Fast appointment availability so a failing line doesn't sit unresolved.
Post-Installation Camera Verification
Every new line is camera-inspected before the crew leaves the property.
Established Local Reputation
A name Hillsboro homeowners recognize for straightforward, dependable sewer work.
Put together, these strengths make MT Dunn Plumbing a sound choice when a sewer line needs more than a temporary patch.
Trenchless replacement follows a careful, methodical sequence designed to protect your property while restoring full function to your sewer line.
Before recommending replacement, technicians run a camera through the existing line to confirm the extent of damage and rule out simpler repair options. This step ensures trenchless replacement is genuinely the right call before any work is scheduled.
Crews assess soil conditions, pipe material, depth, and the layout of the property to decide between pipe bursting and CIPP lining. Each method suits different damage types, so this evaluation shapes the entire project plan.
Rather than trenching the full pipe run, technicians dig two compact access pits, one at each end of the damaged section. These pits are the only points of excavation needed for the entire replacement.
For pipe bursting, a new HDPE pipe is fused into a continuous length offsite. For CIPP lining, a resin-saturated felt tube is prepared to match the exact diameter and length of the host pipe.
A bursting head is winched through the deteriorated pipe, fracturing it outward while simultaneously pulling the new HDPE pipe into place behind it. This single pass replaces the pipe without removing the old material from the ground.
When lining is the chosen method, the resin-saturated liner is inserted into the host pipe and cured using hot water, steam, or UV light. Once cured, it forms a jointless, corrosion-resistant pipe within the original pipe’s shell.
Technicians reconnect any branch lines, cleanouts, or fixture connections that tie into the newly installed pipe, restoring full functionality to the household plumbing system.
Once the new line is confirmed intact, crews backfill the access pits and restore the surface, whether that’s soil, sod, gravel, or pavers, to match the surrounding area as closely as possible.
A final camera pass confirms the new pipe is properly seated, correctly sloped, and free of defects before the crew considers the job complete.
MT Dunn Plumbing reviews the completed work with the homeowner, provides recorded footage of the finished line, and supplies warranty paperwork for future reference.
Most trenchless replacements in Hillsboro are completed in a single day, though longer or more complex lines may require a second day for curing and testing.
Trenchless replacement isn’t the right fit for every situation, but it’s worth strong consideration if you’re dealing with:
From what we’ve seen, the answer is a firm yes, and often it’s the better option specifically because the home is older. At MT Dunn Plumbing, we’ve seen how trenchless replacement handles the exact problems that come with aging sewer systems in Hillsboro’s older neighborhoods.
Older homes often have original clay or cast iron sewer lines that have been in the ground for 50 years or more, and by now, these materials are prone to cracking, root intrusion, and collapse. A homeowner might assume an older home means a more complicated, more invasive repair, but that’s not necessarily the case. That’s a common misconception, and time and again, it’s actually older homes that benefit most from a trenchless approach.
We’ve worked on older properties where the original sewer line ran beneath mature landscaping, additions, or hardscaping that had been built up over decades. In almost every case, traditional excavation would have meant tearing through improvements the homeowners had invested years into, while trenchless let us replace the failing line with minimal disruption to everything built around it.
The value of preserving what’s already been built on an older property is significant, decades of landscaping, additions, and hardscaping shouldn’t have to be sacrificed just because the pipe underneath needs replacing. We think of trenchless as respecting what’s already there, you’re not just fixing decades-old plumbing, you’re doing it without undoing everything built above it since.
Hillsboro’s older neighborhoods, in particular, are well suited to this approach. Original clay piping, mature trees, and established properties are common throughout the area, and these are exactly the conditions trenchless technology was developed to handle.
An older home doesn’t have to mean an outdated repair method. Our team regularly recommends trenchless for aging properties because it solves the underlying problem without disturbing everything the homeowners have built since.
Homeowners weighing their options often find the advantages make the decision straightforward.
Aspect
Excavation Required
Landscaping Impact
Hardscape Disruption
Project Duration
Restoration Costs
Pipe Material
Noise and Mess
Structural Risk
Long-Term Durability
Property Value Impact
Trenchless Replacement
Two small access pits only
Lawns, gardens, and trees largely preserved
Driveways and patios typically left intact
Often completed in one day
Minimal surface repair needed
Jointless HDPE or resin liner, corrosion-resistant
Limited to two contained work areas
Low risk to nearby foundations or utilities
Rated for 50+ years depending on method
Yard and hardscaping remain undisturbed
Traditional Excavation
Full-length trench along the entire pipe run
Significant removal and replanting often needed
Concrete or pavers frequently must be removed
Can extend several days depending on pipe length
Additional costs for regrading, paving, or sod
Varies; may reuse older-style materials
Extended disruption across the whole yard
Higher risk when digging near structures
Comparable, but installation quality varies more
Restoration quality can affect resale appearance
This comparison is a major reason trenchless methods have become the preferred replacement approach for homeowners who want lasting repairs without sacrificing their property.
Fast Response • Upfront Pricing • Guaranteed Work
MT Dunn Plumbing provides professional trenchless sewer line replacement in Hillsboro, OR, using pipe bursting and CIPP lining to restore damaged sewer lines without full-yard excavation.
Some sewer lines present unique challenges, and MT Dunn Plumbing approaches these situations with extra care and planning.
Deep Line Assessments
Specialized equipment for lines running deeper than standard residential depth.
Root-Heavy Sites
Pre-treatment options to manage aggressive root systems before liner installation.
Tight Access Locations
Compact machinery suited for narrow side yards or limited equipment access.
Multi-Bend Pipe Runs
Flexible liner materials capable of navigating angled or offset pipe sections.
Shared or Municipal Lines
Coordination with city utilities when a line connects to shared infrastructure.
Structural Proximity
Careful pit placement when the line runs close to foundations or retaining walls.
Seasonal Ground Conditions
Adjusted scheduling and techniques for wet or frozen soil conditions.
Older Home Configurations
Experience adapting modern methods to older, non-standard pipe layouts.
This adaptability allows MT Dunn Plumbing to take on projects that other crews might turn away.
Most residential replacements are completed in a single day, though lines with significant length or curing time may take two days.
Trenchless replacement often costs comparably or less overall once landscaping, hardscape, and restoration expenses are factored in.
Only two small access pits are dug, so the vast majority of your yard remains undisturbed throughout the project.
Depending on the method and materials used, trenchless replacements are typically rated to last 50 years or more.
Yes, pipe bursting is specifically designed to handle collapsed or severely deteriorated pipe sections that lining alone cannot repair.
Yes, MT Dunn Plumbing always performs a diagnostic camera inspection first to confirm trenchless replacement is the right solution.
Yes, MT Dunn Plumbing manages all required city permitting and inspection scheduling as part of the project.
A damaged sewer line won’t improve on its own, and traditional excavation isn’t your only option. Call MT Dunn Plumbing to schedule a trenchless sewer line replacement in Hillsboro and get your system restored with a method built to protect your property while delivering a durable, long-term result.
Contact MT Dunn Plumbing today to book your consultation.
At M T Dunn Plumbing, we proudly serve Hillsboro, Beaverton, Portland, Tigard, Lake Oswego, Sherwood, Tualatin, West Linn, Wilsonville, Aloha, Newberg, Gaston, Banks, North Plains, and the surrounding Portland metro areas.
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